{"id":"https://data.mapsnap.org/runs/v2.0/iiif/chronoscope/sanborn03316_001.main.iiif.json","type":"AnnotationPage","@context":["http://www.w3.org/ns/anno.jsonld"],"label":"Gilbert, Louisiana | 1922 | mapsnap generated fit (2026-10-18)","creator":{"type":"Software","name":"mapsnap","homepage":"https://mapsnap.org"},"rights":"https://opendatacommons.org/licenses/odbl/1-0/","metadata":[{"label":"generated","value":"2026-10-18"},{"label":"run","value":"corpus-v2"},{"label":"pages","value":"3"},{"label":"placed","value":"1"},{"label":"unplaced","value":"2"},{"label":"fit sources","value":"georef 1"},{"label":"key map","value":"none"},{"label":"split sheets","value":"1 sheet(s) cut into 3 panels"},{"label":"unplaced pages","value":"p1__1 (tier 4, 32.05031,-91.65823 +/-100m); p1__3 (tier 4, 32.05031,-91.65823 +/-100m)"}],"items":[{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014gm:g033161922:03316_1922-0001__2/georef","type":"Annotation","@context":["http://iiif.io/api/extension/georef/1/context.json","http://iiif.io/api/presentation/3/context.json"],"label":"Gilbert, Louisiana | 1922 | sanborn03316_001 p1 [2]","metadata":[{"label":"streets","value":"6"},{"label":"intersections","value":"6"},{"label":"confidence","value":"0.22"},{"label":"confidence_provisional","value":"true"},{"label":"confidence_model","value":"corpus-v2"},{"label":"split_canvas_x","value":"0.0"},{"label":"split_canvas_y","value":"0.0"},{"label":"split_canvas_w","value":"6452.0"},{"label":"split_canvas_h","value":"7652.0"}],"created":"2026-10-18T07:52:34Z","modified":"2026-10-18T07:52:34Z","motivation":"georeferencing","target":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014gm:g033161922:03316_1922-0001__2/selector","type":"SpecificResource","source":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014gm:g033161922:03316_1922-0001","type":"ImageService3","width":1613,"height":1913},"selector":{"type":"SvgSelector","value":"<svg><polygon points=\"19.1,718.9 73.0,1872.0 1226.1,1878.9 1302.9,1512.4 1576.2,1493.3 1564.9,44.4 808.4,95.0 495.1,38.3 411.7,159.1 389.1,584.0 91.7,586.4 19.1,718.9\" /></svg>"}},"body":{"id":"https://cdn.chronoscope.io/mapsnap/service:gmd:gmd401m:g4014m:g4014gm:g033161922:03316_1922-0001__2/gcps","type":"FeatureCollection","transformation":{"type":"helmert"},"features":[{"type":"Feature","properties":{"resourceCoords":[234.0,1339.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.659133,32.049248]}},{"type":"Feature","properties":{"resourceCoords":[234.0,1866.0],"type":"gcp"},"geometry":{"type":"Point","coordinates":[-91.658719,32.048313]}}]}}]}